relative aperture

基本解釋

• [天] 相對孔徑

英漢例句

雙語例句

• The objective has high infrared transmission, large relative aperture and high resolution.
  該物鏡紅外透過率高、相對孔徑大、分辨率較高。
• Bandwidth of amplifier and relative aperture of optical system are optimized based on the requirement of temperature resolution.
  基于系統(tǒng)溫度分辨力的要求，對光學(xué)系統(tǒng)的相對孔徑及選頻放大器的帶寬進(jìn)行了優(yōu)化設(shè)計(jì)。
• In the meantime, we analyse the main factors that is focus, relative aperture and image illuminance affect lens image quality and their relations.
  同時，著眼于成像系統(tǒng)的分辨率，我們分析了包括焦距、 相對孔徑、像面照度等影響鏡頭成像質(zhì)量的主要因素及其相互之間的關(guān)系；

• relative aperture更多例句

詞組短語

短語

• relative e aperture 相對孔徑
• super relative aperture 超大相對孔徑
• accelerator relative aperture 加速器相對孔徑
• generalized relative aperture 廣義相對孔徑;廣義光瞳函數(shù)
• horizontal accelerator relative aperture 水平加速器相對徑孔

• relative aperture更多詞組

英英字典

柯林斯英英字典

• the ratio of the equivalent focal length of a lens to the effective aperture of the lens written as f/n, f:n, or fn, where n is the numerical value of this ratio and is equivalent to the f-number

• relative aperture劍橋字典
• relative aperture柯林斯字典

專業(yè)釋義

物理學(xué)

• 相對孔徑

  On the basis of above, a design example of a lens whose operating wavelength is 0.40.9μm, focal length is 400 mm, full field-of-view angle is 6.2°and relative aperture is 1:4 is given.
  在以上研究基礎(chǔ)上給出工作波長范圍在0.40.9μm、焦距為400mm、視場角為6.2°、相對孔徑為1∶4的設(shè)計(jì)實(shí)例。

• 口徑比

電子、通信與自動控制技術(shù)

• 相對孔徑

  Coupling efficiency can be maximized by optimizing the relative aperture of coupling lens.
  通過優(yōu)化耦合透鏡相對孔徑,可以實(shí)現(xiàn)較高效率的耦合。

  天文學(xué)

• 相對口徑
• 相對孔徑

數(shù)學(xué)

• 口徑比

地球科學(xué)

• 物鏡相對孔徑